code: def sizesrc(self, val):
      self["sizesrc"] = val
  
file_path: catboost/contrib/python/plotly/py3/plotly/graph_objs/scattermapbox/hoverlabel/_font.py
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 12 for calling the Font obj's underlying member method code with example usage: obj.sizesrc(val) without return types